27277985

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 38703168

約数和(自身を除く): 11425183

約数列:

[1, 5, 7, 31, 35, 155, 217, 811, 961, 1085, 4055, 4805, 5677, 6727, 25141, 28385, 33635, 125705, 175987, 779371, 879935, 3896855, 5455597, 27277985]

約数ペア:

[(1, 27277985), (5, 5455597), (7, 3896855), (31, 879935), (35, 779371), (155, 175987), (217, 125705), (811, 33635), (961, 28385), (1085, 25141), (4055, 6727), (4805, 5677)]